39results about How to "Contributes to uniformity" patented technology

The invention discloses an ion plating device and relates to a device for plating through the vacuum evaporation, sputtering or ion injection of a coating forming material, in particular to an ion plating device. The device comprises a plating furnace and a film material arranged in the plating furnace. The device is characterized in that the plating furnace is internally provided with an ion source for emitting plasma, and the ion source is used for emitting plasma to heat the film material to ensure that the film material becomes steam and is uniformly plated on a glass sheet to effectively enhance the film layer strength, thus the plating compactness is better, the reject ratios due to scraping, spot stains, and the like in the production process of lenses are reduced, and the yield of the process is effectively improved; the ion source is arranged on the middle rear part of the plating furnace so as to be beneficial to the uniformity of the ion emitting angle of the ion source to realize uniformly plating; and argon is added to mixed gas, which can increase the ion density and prolong the service life of lamp filaments of the ion source.

The invention discloses a shock-resistant corrosion-resistant aluminum alloy softball bat material and a preparing method thereof, and relates to the technical field of aluminum alloys. The shock-resistant corrosion-resistant aluminum alloy softball bat material comprises, by weight percentage, 0.3%-0.5% of Si, 0.8%-1.1% of Mg, 0.1%-0.3% of Mn, 0.3%-0.5% of Cu, 0.4%-0.7% of Fe, 3.5%-3.9% of Zn, 0.1%-0.3% of Li, 0.1%-0.3% of Cr, 0.3%-0.5% of Ti, 0.1%-0.3% of Ce, 0.05%-0.1% of Sc and the balance Al. All elements and contents in the alloy are reasonably optimized, the good mechanical property anddecay resistance are achieved, melt is subject to vibration scattering under a certain frequency in the preparing process, grains can be effectively refined, refining and homogenization of material organization and a second phase are facilitated, a casting ingot is subject to homogenization treatment through three-stage continuous temperature rise, the homogenization degree is more high, the mechanical property of the alloy can be further improved, the material organization is improved, the alloy material obtained after heat treatment has the good strength, hardness and corrosion resistance,the material is used for a softball bat, acute impact of balls to a bat body can be borne for a long period, cracking deformation is not prone to occurrence, and the service life is long.

The invention provides molten slag discharging devices and a plasma furnace. Each molten slag discharging device comprises a slag discharging pipe for discharging melt; an outer layer of the slag discharging pipe is provided with a heat preservation lining sleeve; and a heating element is arranged between the slag discharging pipe and the heat preservation lining sleeve. The plasma furnace comprises a furnace body and the molten slag discharging devices. The number of the molten slag discharging devices is at least two. One of the molten slag discharging devices is obliquely arranged on the side wall of the furnace body, and the bottom of an outlet of the slag discharging pipe of the molten slag discharging device is higher than the top of an inlet of the slag discharging pipe. The other molten slag discharging device is perpendicular to the bottom of the furnace body, and a switch is arranged in the slag discharging pipe of the molten slag discharging device.

The invention belongs to the technical field of coating processing, and particularly relates to an antibacterial and antiviral coating and a preparation method thereof, and the antibacterial and antiviral coating comprises the following substances in parts by weight: 75-80 parts of film-forming resin, 10-15 parts of emulsion, 6-9 parts of film-forming aid, 0.5-1.5 parts of defoamer, 0.5-1 part ofwetting agent, 4-8 parts of modified filler, 2-4 parts of antibacterial additive and 0.1-0.3 part of amine neutralizer. The coating is good in antibacterial and antiviral capacity, simple in preparation method and easy to apply and popularize.

The invention discloses temperature-sensitive printing paste, which is prepared from the following raw materials in parts by weight: 0.5 to 3 parts of a binder, 0.5 to 19 parts of a temperature changematerial, 10 to 50 parts of a crosslinking agent and 2 to 5 parts of a thickener. Meanwhile, the invention further provides a temperature-sensitive color printing process, comprising the following steps: S1, slurrying: uniformly mixing the binder, the temperature change material, the crosslinking agent and the thickener to obtain the temperature-sensitive printing color paste; S2, bleaching and dyeing; S3, setting before printing; S4, printing: feeding the temperature-sensitive printing paste obtained in the step S1 into a screen, and covering cloth by the temperature-sensitive printing pasteto obtain printed cloth C; S5, drying and baking: drying and baking the printed cloth C. The temperature-sensitive printing paste has the beneficial effects that the temperature-sensitive printing paste is high in safety and high in color change sensitivity; the printing process is simple; the color of the prepared color change cloth sensitively changes with temperature, and the color change cloth is firm in color, high in safety and suitable for being used in infant products.

The invention relates to a lightguide (2) including a transparent body (4) which is generally elongate in a main direction, an outer facet (12) forming a dioptre with the environment of said body, a first row (16) of angled facets (20) capable of reflecting the rays in order to output same, and at least one second row (14, 18) of reflecting facets (24) which are smaller than the corresponding reflecting facets (20) of the first row (16). The light reflected by the one or more second rows complements the light beam from the first row. The widths of the first row and the second rows can gradually increase or decrease, respectively, as the distance from the light source increases so as to compensate for the gradual losses of light passing through the lightguide.

The invention relates to a multi-pipe spraying device which comprises a body forming a closed accommodating space, a spraying pipe positioned at the upper part and a heat transfer pipe positioned at the lower part are arranged in the accommodating space, and the multi-pipe spraying device also comprises a gas outlet pipe which is used for discharging a gaseous cold medium in the accommodating space and a communicating pipe for introducing the gaseous cold medium of a cold medium source into the accommodating space; and the multi-pipe spraying device further comprises a gas-liquid separation device which is connected with the cold medium source for separating the gaseous cold medium with a liquid cold medium in the cold medium source and the spraying pipe which conveys the liquid cold medium to the body and is used for carrying out heat exchange on the heat transfer pipe and conveying the gaseous cold medium into the body. The multi-pipe spraying device can not only retain the advantages of a traditional spray type heat exchange system, but also achieve the effects of simply controlling the spraying pressure for realizing even spraying, reducing the damages of a compressor due to hydraulic liquid compression and controlling the spraying flow rate through the combination of the elements.

The invention discloses a Y and Sr-containing iron alloy for a hot-dip galvanized high-thermal-conductivity iron crucible and a processing technology thereof. The alloy comprises 0.2-0.4 wt.% of Ca,0.2-0.3 wt.% of Sr, 0.4-0.6 wt.% of Re, 0.2-0.4 wt.% of Y, 0.8-1.5 wt.% of V, 0.4-0.5 wt.% of Hf and the balance iron. According to the alloy and the processing technology thereof, the alloy is cast and hot-rolled into a steel plate to form the hot-dip galvanized iron crucibl so that the heat transfer capability of the iron crucible and the uniformity of the thickness of a galvanized layer can begreatly improved; and the service life of the iron crucible is prolonged from 7-10 years to 20 years and longer, and the effects of improving the production efficiency and saving the cost are achieved.

The invention relates to the technical field of PZT sensors, in particular to medium-temperature sintering lead-free copper paste suitable for a PZT sensor and a preparation method of the medium-temperature sintering lead-free copper paste, and the lead-free copper paste comprises the following components in parts by mass: 70-80 parts of copper powder, 1-5 parts of lead-free glass, 1-5 parts of an inorganic additive and 15-25 parts of an organic carrier; the copper powder is one or two of superfine spherical powder and flaky micro powder; the lead-free glass is a mixture composed of glass powder A and glass powder B, the softening point of the glass powder A is 480-520 DEG C, and the softening point of the glass powder B is 520-560 DEG C; the inorganic additive is selected from one or two of electronic-grade bismuth oxide powder or superfine zirconium dioxide; the organic carrier comprises the following components in parts by mass: 70-80 parts of a solvent, 10-20 parts of ethyl cellulose, 5-10 parts of a macromolecular resin material and 1-5 parts of a flatting agent; on the premise of ensuring the conductivity, the silver powder is replaced by the copper powder, and meanwhile, the problem of binding force between the softened medium-temperature sintered glass and the ceramic substrate is solved.